# Eco Notify vs What doing

The clearest difference is ads: What doing at none against Eco Notify's shown. What doing also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.5). Eco Notify's advantage is update cadence (every 3 days vs every 9 days). On price and in-app purchases there is nothing between them.

Both are free to download. Eco Notify sells 2 one-off in-app purchases and What doing sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Eco Notify ships an update every 3 days, What doing every 9 days. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Eco Notify | What doing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 9 days |
| Size | 11 MB | 44 MB |
| Requires iOS | 17.5 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Yu Takahashi](https://appshunter.io/developer/1674352907) | [ikeharalab](https://appshunter.io/developer/1865965307) |

## What reviewers say

### Eco Notify

[App page](https://appshunter.io/ios/app/eco-notify/id6624308398)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Developer (Coffee) | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |


### What doing

[App page](https://appshunter.io/ios/app/what-doing/id6760707327)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| premium | $0.99 | per month |


## Frequently asked questions

### Is Eco Notify free?

Eco Notify is free to download, with in-app purchases available.

### Is What doing free?

What doing is free to download, with in-app purchases available.

### Do Eco Notify or What doing have ads?

Eco Notify shows ads; What doing does not.

### Which is updated more often, Eco Notify or What doing?

Eco Notify ships an update every 3 days, and What doing every 9 days. Most recently, Eco Notify was updated on October 5, 2026 and What doing on October 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*